Gm Global Technolgoy Operations, Inc.

Michael James Bland

James R McFadden

Joseph Paul Greene

An energy absorbing device includes an energy absorber element having a plurality of elongated hollow hexagonal cells. The cells are arranged in a block shape with first and second layers interconnected by an intermediate plate. The intermediate plate closes adjacent ends of the first and second layers and forms three-sided pyramidal structures which project into each individual cell of the first and second layers. Each pyramidal structure has an apex located near the center of each cell. The energy absorber element is deformable under impact loading conditions to absorb and dissipate energy. Upon the removal of the impact load the energy absorber element returns to its original shape.

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Oxford, MI, United States of America

Michael James Bland